On Mon, 2008-06-09 at 12:06 +0530, Srikanth Eswaran wrote:
> Hello All,
>
> This is a problem that has been reported sometime last year on this
> group. however on searching the archives completely i am not able to
> get a possible solution and hence I am forced to request more here.
>
> I am trying to get net-snmp 5.4.2 to be compiled on a broadcom 7400
> platform. This is a cross compilation for a mipsel-uclibc target from
> a x86 linux host (runnin fedora linux)
>
> The following is my configure command.
>
> ./configure cross_compiling=yes --host=x86-linux --target=mipsel
> --build=x86 --with-cc=mipsel-uclibc-gcc --with-ld=mipsel-uclibc-ld
> --with-cflags="-x c -DARP_SCAN_FOUR_ARGUMENTS"
> --with-endianness=little --with-mib-modules="demotraps agentx"
> --disable-embedded-perl
>
> NOTE:
> 1. if i do not define -DARP_SCAN_FOUR_ARGUMENTS, the compilation fails
> at mibgroup/mibsII/at.c file
> 2. Also i am not using embedded perl, hence its disabled
>
> Most compilation goes through except for
>
> ranlib .libs/libnetsnmpmibs.a
> creating libnetsnmpmibs.la
> (cd .libs && rm -f libnetsnmpmibs.la && ln -s ../libnetsnmpmibs.la
> libnetsnmpmibs.la)
> : libnetsnmpmibs.la
> /bin/sh ../libtool --mode=compile mipsel-uclibc-gcc -I../include -I.
> -I../agent -I../agent/mibgroup -I../snmplib -x c
> -DARP_SCAN_FOUR_ARGUMENTS -Uelf -Delf=elf -c -o snmpd.lo snmpd.c
> mipsel-uclibc-gcc -I../include -I. -I../agent -I../agent/mibgroup
> -I../snmplib -x c -DARP_SCAN_FOUR_ARGUMENTS -Uelf -Delf=elf -c snmpd.c
> -fPIC -DPIC -o .libs/snmpd.o
> mipsel-uclibc-gcc -I../include -I. -I../agent -I../agent/mibgroup
> -I../snmplib -x c -DARP_SCAN_FOUR_ARGUMENTS -Uelf -Delf=elf -c snmpd.c
> -o snmpd.o >/dev/null 2>&1
> /bin/sh ../libtool --mode=link mipsel-uclibc-gcc -x c
> -DARP_SCAN_FOUR_ARGUMENTS -Uelf -Delf=elf -o snmpd snmpd.lo
> -L../snmplib/.libs -L../snmplib -L./.libs -L./helpers/.libs
> -L./helpers libnetsnmpagent.la helpers/libnetsnmphelpers.la
> libnetsnmpmibs.la ../snmplib/libnetsnmp.la
> mipsel-uclibc-gcc -x c -DARP_SCAN_FOUR_ARGUMENTS -Uelf -Delf=elf
> -o .libs/snmpd .libs/snmpd.o
The problem is that you are asking your C compiler to compile the
contents of snmpd.o as C code when it is an object file.
I would suggest that you
A. Make sure that you use correct host, build and target triplets
for your target platform. I woud also suggest that you remove
the host and build platform as the configure script figures out
that by itself. In order to get the correct target triplet you
could copy the file config.guess to your target platform and run
it.
B. Remove the "-x c" flag as the compiler is well aware of when it
is compiling C code and when it is linking object files so there
is no nedd for you to tell it that.
C. Remove the -DARP_SCAN_FOUR_ARGMENTS as that variable should be
provided if you give a correct target triplet (see A)
D. Removes the crosscompiling=yes thing as Net-SNMP ignores that.
This would leave you with
./configure --target=mipsel-<vendor>-<os> --with-cc=mipsel-uclibc-gcc
--with-ld=mipsel-uclibc-ld --with-endianness=little
--with-mib-modules="demotraps agentx" --disable-embedded-perl
> -L/export/home/os_ragha/share/net-snmp-5.4.1/agent/.libs
> -L/export/home/os_ragha/share/net-snmp-5.4.1/agent/helpers/.libs
> -L/export/home/os_ragha/share/net-snmp-5.4.1/snmplib/.libs
> -L/export/home/os_ragha/share/net-snmp-5.4.1/snmplib
> -L/export/home/os_ragha/share/net-snmp-5.4.1/agent/helpers
> ./.libs/libnetsnmpagent.so helpers/.libs/libnetsnmphelpers.so
> ./.libs/libnetsnmpmibs.so
> /export/home/os_ragha/share/net-snmp-5.4.1/agent/helpers/.libs/libnetsnmphelpers.so
> /export/home/os_ragha/share/net-snmp-5.4.1/agent/.libs/libnetsnmpagent.so
> /export/home/os_ragha/share/net-snmp-5.4.1/snmplib/.libs/libnetsnmp.so -ldl
> ../snmplib/.libs/libnetsnmp.so -Wl,--rpath -Wl,/usr/local/lib
>
> the errors i get are of this nature:
>
> .libs/snmpd.o:1: error: stray '\127' in program
> .libs/snmpd.o:1: error: stray '\1' in program
> .libs/snmpd.o:1: error: stray '\1' in program
> .libs/snmpd.o:1: error: stray '\1' in program
> .libs/snmpd.o:1:8: warning: null character(s) ignored
> .libs/snmpd.o:1: error: stray '\1' in program
> .libs/snmpd.o:1:18: warning: null character(s) ignored
> .libs/snmpd.o:1: error: stray '\8' in program
> .libs/snmpd.o:1:20: warning: null character(s) ignored
> .libs/snmpd.o:1: error: stray '\1' in program
> .libs/snmpd.o:1:22: warning: null character(s) ignored
> .libs/snmpd.o:1: error: stray '\160' in program
> .libs/snmpd.o:1: error: syntax error before "A"
> .libs/snmpd.o:1:35: warning: null character(s) ignored
> .libs/snmpd.o:1: error: stray '\7' in program
> .libs/snmpd.o:1: error: stray '\16' in program
> .libs/snmpd.o:1:39: warning: null character(s) ignored
>
> ... .......
> .....
> ....
> ..
>
> The error file is about 114 mb huge with similar errors.
> I am forced to think this is more of some compiler mode issue
> rather than anything with these files.
>
> Can anyone provide detailed opinion on how to go forward and resolve
> the 5.4.2 compilation onto mipsel-target please?
>
>
> Srikanth
>
>
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